The following data was collected for the distance traveled versus time for a rocket: t, s 0 15 30 45 60 75 y, km 0 1.69 7.19 17.2 32.3 53.3 Use numerical differentiation to estimate the vertical component of the rocket’s velocity and acceleration at t = 0, t = 30, and t = 60 seconds. At each time, use the least computationally expensive algorithm with an O(h4 ) error. The numerical differentiation formulae can be found on the equation sheet.

an ion is a charged atom or molecule. it is charged because the number of electrons do not equal the number of protons in the atom or molecule. an atom can acquire a positive charge or a negative charge depending on whether the number of electrons in an atom is greater or less then the number of protons in the atom.

answer;

d. are made mostly of liquid

explanation;

-the general   composition and structure planets includes; they have a thick gas and liquid layer covering a small,solid core. mostly the gases are hydrogen and helium atmosphere and layers of liquid hydrogen. for instance neptune and uranus are examples of the outer planets, they have a core covered by ice and ammonia.

-neptune's atmosphere is hydrogen and helium with a bit of methane so there is no oxygen to breath and the interior is made up of frozen water and ammonia with a rock and iron core. thus, there is no liquid water or solid surface to survive.

cant without the picture! ?